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geometry

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find the surface area of a right prism with the given features: The bases are trapezoids with bases of lengths 6 and 10 perpendicular to one side of the length 12 ; height = 12
Round the answer to the nearest square unit

  • geometry -

    The prism has six sides. The two trapezoidal bases have areas of 8*12 = 96, each
    The four rectangular sides have areas
    12*6, 12*10, 12*12 and 12*sqrt(160)
    I used the Pythagorean theorem for the last one.
    Add up the areas.

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